* plugins/gtk+/glade-gtk.c: Set sizegroup_add action sensitive/insensitive
depending on project format
* plugins/gtk+/gtk+.xml.in: Set libglade-unsupported && create-type on alot of properties
* gladeui/glade-editor-property.c: Set eprop insensitive also if its in an unsupported
format
* gladeui/glade-xml-utils.h, gladeui/glade-property-class.c: Added "create-type"
* gladeui/glade-property.[ch]: Now property states can be flagged and
also include format_disabled state.
svn path=/trunk/; revision=1948